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1

Study on the effect of temperature on the operation of the Panasonic NCR-18650b electric vehicle battery

This paper focuses on studying the influence of temperature on the working process of Panasonic NCR-18650B electric vehicle battery. Through the Matlab - Simulink simulation tool, the effects related...

Author: Anh Nguuyen Phi Cuong, Hieu Le Duc, Minh Luong Ngoc

Keyword: Panasonic NCR-18650B battery charging - discharging process state of charge effect of temperature electric vehicle

2

An investigation into mistakes in paragraph writing of English-majored freshmen: A case study at Dong Nai Technology University

The research aims to investigate common mistakes in students' paragraph writing and then suggest some solutions to overcome and enhance students' writing skills. Both quantitative and qualitative...

Author: Phan Lam Thi, Nguyen Dieu Huyen Thi, Nguyen Thanh Van Thi

Keyword: Paragraph writing common mistakes English-majored students

3

Building B-learning support materials for teaching Physics with environmental protection education

This article presents the results of research on building learning materials in accordance with the requirements to be achieved of the thematic “Physics with Environmental Protection Education (PEPE)”...

Author: HAI TUONG DUY, Thúy Tran Thanh, Anh Chu Ngoc, Chi Pham Khanh

Keyword: Learning materials B-learning Physics environmental protection education

4

Challenges faced by EFL university students in online English speaking classes at Vinh University during the Covid-19 period

During the Covid-19 pandemic, many universities switched rapidly to the online learning mode to maintain the continuity of the teaching and learning process. This explanatory mixed- methods study was...

Author: Le Hanh Thi Tuyet

Keyword: Challenges online learning English speaking Covid-19

5

UPPER CENTRAL EXPONENT OF LINEAR STOCHASTIC DIFFERENTIAL ALGEBRAIC EQUATIONS OF INDEX 1

We introduce the concept of upper central exponent of linear stochastic differential algebraic equation of index 1. We prove that upper central exponent is nonrandom and larger or equal to the top...

Author: Nguyen The Thi

Keyword: Lyapunov exponents central exponents Stochastic differential equations Stochastic differential algebraic equations of index 1 two-parameter stochastic flow.

6

Applying artificial intelligence to enhance the quality of automated forex trading systems

Trend-following trading is a popular strategy in automated forex trading. This approach achieves high profitability and success rates in trending markets. However, this strategy per-forms poorly in...

Author: Mai Hoan Van

Keyword: Expert Advisor System RNN LSTM Time Series Forex Strategy

7

Difficulties in English speaking skills faced by English-majored students at Vinh University

This paper discusses the difficulties and solutions perceived by English-majored students when it comes to developing their speaking skills. To uncover and analyze these problems, one hundred...

Author: Nguyen Dang Thi

Keyword: English speaking skills learning English-majored students Vinh University

8

Urban migration and its impact on labor workers in Ho Chi Minh City

The article mentions the migration factor associated with the movement of labor in Ho Chi Minh City, specifically the number of workers by urban and rural areas by economic sector and enterprise...

Author: Phúc Đỗ Cao

Keyword: migration urban labor transition Ho Chi Minh City

9

Facial emotion recognition using deep learning technology

Recognizing emotions on human faces has always received attention and attraction from researchers. Along with the development of artificial intelligence, facial emotion recognition cameras are...

Author: Hoa Nguyen Thi Thu, Ngo Huu-Huy, Tuyen Giap Manh, Duong Nong Van, Oanh Nguyen Thi Kieu

Keyword: DeepFace Facial Emotion Recognition FER-2013 MTCNN VGG-Face

10

Study to build a warning and monitoring system for smart home through mobile devices

This paper focus on developing a system which can monitors and warns parameters such as ultraviolet rays, gas, indicators of weather environment or the root conditions of explosion that outbreaks in...

Author: Hiep L H

Keyword: Smart home; monitoring system; alert system; support system; detection system

Vinh University journal of science

Tạp chí khoa học Trường Đại học Vinh

ISSN: 1859 - 2228

Governing body: Vinh University

  • Address: 182 Le Duan - Vinh City - Nghe An province
  • Phone: (+84) 238.3855.452 - Fax: (+84) 238.3855.269
  • Email: vinhuni@vinhuni.edu.vn
  • Website: https://vinhuni.edu.vn

 

License: 163/GP-BTTTT issued by the Minister of Information and Communications on May 10, 2023

Open Access License: Creative Commons CC BY NC 4.0

 

CONTACT

Editor-in-Chief: Assoc. Prof., Dr. Tran Ba Tien
Email: tientb@vinhuni.edu.vn

Deputy editor-in-chief: Assoc. Prof., Dr. Phan Van Tien
Email: vantienkxd@vinhuni.edu.vn

Sub-Editor: Dr. Do Mai Trang
Email: domaitrang@vinhuni.edu.vn

Editorial assistant: Msc. Le Tuan Dung, Msc. Phan The Hoa, Msc. Pham Thi Quynh Nga, Msc. Tran Thi Thai

  • Address: 4th Floor, Executive Building, No. 182, Le Duan street, Vinh city, Nghe An province.
  • Phone: (+84) 238-385-6700 | Hotline: (+84) 97-385-6700
  • Email: editors@vujs.vn
  • Website: https://vujs.vn

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